Improve CheckUserSignup().

util/regex.go

@@ -0,0 +1,33 @@
+// Copyright 2021 The casbin Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package util
+
+import "regexp"
+
+var reEmail *regexp.Regexp
+var rePhoneCn *regexp.Regexp
+
+func init() {
+	reEmail, _ = regexp.Compile(`^[0-9a-z][_.0-9a-z-]{0,31}@([0-9a-z][0-9a-z-]{0,30}[0-9a-z]\.){1,4}[a-z]{2,4}$`)
+	rePhoneCn, _ = regexp.Compile("^((13[0-9])|(14[5,7])|(15[0-3,5-9])|(17[0,3,5-8])|(18[0-9])|166|198|199|(147))\\d{8}$")
+}
+
+func IsEmailValid(email string) bool {
+	return reEmail.MatchString(email)
+}
+
+func IsPhoneCnValid(phone string) bool {
+	return rePhoneCn.MatchString(phone)
+}